Compared to the rest of the San Diego market, the National City region has less expensive rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 8 listings have been made available, which means office spaces are probably going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 59,040 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this area are around 1 stories. Most buildings in this area were built in 1974 and are Class B.